avr-crypto-lib/test_src/main-ecdsa-test.c

141 lines
4.3 KiB
C

/* main-dsa-test.c */
/*
This file is part of the AVR-Crypto-Lib.
Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* ECDSA test-suit
*
*/
#include "main-test-common.h"
#include "noekeon.h"
#include "noekeon_prng.h"
#include "bigint.h"
#include "bigint_io.h"
#include "nist_p192.h"
#include "performance_test.h"
#include "hfal_sha1.h"
#include "base64_enc.h"
#include "base64_dec.h"
char* algo_name = "ECDSA";
/*****************************************************************************
* additional validation-functions *
*****************************************************************************/
void testrun_performance_bigint(void){
printf_P(PSTR("\n=== performance measurement ===\n"));
unsigned i, j;
bigint_t a,b,v;
bigint_word_t v_w[192 * 2 / BIGINT_WORD_SIZE];
bigint_word_t a_w[192 * 2 / BIGINT_WORD_SIZE];
bigint_word_t b_w[192 * 2 / BIGINT_WORD_SIZE];
uint32_t time_a, time_b;
int32_t time_diff;
int16_t faster_percent;
v.wordv = v_w;
for(j = 0; j < 32; ++j){
do{
for(i = 0; i < 192 * 2 / BIGINT_WORD_SIZE; ++i){
((uint8_t*)v_w)[i] = random();
}
v.length_W = 192 * 2 / BIGINT_WORD_SIZE;
v.info = 0;
bigint_adjust(&v);
}while(0);
// printf_P(PSTR("candidate:\n"));
// bigint_print_hex(&v);
a.wordv = a_w;
b.wordv = b_w;
calibrateTimer();
// printf_P(PSTR("\n going to test optimized version: ...\n"));
uart0_flush();
time_a = 0;
for(i = 0; i < 16; ++i){
bigint_copy(&a, &v);
startTimer(1);
START_TIMER;
bigint_reduce_p192(&a);
STOP_TIMER;
time_a += stopTimer();
}
// printf_P(PSTR(" took: %"PRIu32" cycles\nresult:"), time);
// bigint_print_hex(&a);
// printf_P(PSTR("\n going to test not-optimized version: ...\n"));
// uart0_flush();
time_b = 0;
for(i = 0; i < 16; ++i){
bigint_copy(&b, &v);
startTimer(1);
START_TIMER;
bigint_reduce(&b, &nist_curve_p192_p);
STOP_TIMER;
time_b += stopTimer();
}
// printf_P(PSTR(" took: %"PRIu32" cycles\nresult:"), time);
// bigint_print_hex(&b);
time_diff = time_b - time_a;
faster_percent = (time_diff * 100) / time_b;
printf_P(PSTR(" delta: %7"PRId32" (%3"PRId16"%%) :-"), time_diff, faster_percent);
if(bigint_cmp_u(&a, &b)){
printf_P(PSTR("(\n"));
} else {
printf_P(PSTR(")\n"));
}
uart0_flush();
}
}
/*****************************************************************************
* main *
*****************************************************************************/
const char echo_test_str[] PROGMEM = "echo-test";
const char reset_prng_str[] PROGMEM = "reset-prng";
const char quick_test_str[] PROGMEM = "quick-test";
const char performance_str[] PROGMEM = "performance";
const char echo_str[] PROGMEM = "echo";
const const cmdlist_entry_t cmdlist[] PROGMEM = {
// { reset_prng_str, NULL, reset_prng },
// { quick_test_str, NULL, quick_test },
{ performance_str, NULL, testrun_performance_bigint },
{ echo_str, (void*)1, (void_fpt)echo_ctrl },
{ NULL, NULL, NULL }
};
int main (void){
int8_t r;
main_setup();
for(;;){
welcome_msg(algo_name);
r = cmd_interface(cmdlist);
printf("r = %"PRId8"\n", r);
cli_putstr_P(PSTR("\r\nHello!\r\n"));
}
}